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A potential customer contacted me recently, to gauge my opinion, on his recent calamitous rolling road session, which had resulted in melted spark plugs and as yet unknown damage, on his high power turbo engine....

There can't be too many E46 M3s out there now without an AP Big Brake kit, such was the popularity of this brake kit on this model. There are two kits for this model - both using a 6 pot caliper. If you want to use OEM BMW Wheels then the co...